package com.xingshang.service;

import com.xingshang.model.po.Invoice;
import java.util.List;

public interface InvoiceService {
    List<Invoice> getInvoicesByUserId(Integer userId);
    Invoice getInvoiceById(Integer id);
    int addInvoice(Invoice invoice);
    int updateInvoice(Invoice invoice);
    int deleteInvoiceById(Integer id);
}
